An extension of the theory of reasoned action model is the , which adds the construct of perceived behavioral control, which is a consumer's perception of whether the behavior is or is not within his or her control.

Theory of planned behavior

Explanation:

The theory of planned behavior (TPB) is a premise that links or connects one's beliefs and behavior. The theory affirms that purpose toward attitude, perceived behavioral control and subjective norms, together influence an individual's behavioral instincts and actual behaviors.

The theory was proposed to illustrate all behaviors over which individuals have the ability to exert self-control.

For example, a product marketer wants to change our attitude about his produce so that we can actually buy it.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."